title: Ankylosing spondylitis in west Africans--evidence for a non-HLA-B*27 protective effect.
authors.forename: W P
authors.initials: WP
authors.lastname: Maksymowych
authors.forename: G S
authors.initials: GS
authors.lastname: Jhangri
mesh_terms: D000328:Adult; D004198:Disease Susceptibility; D005260:Female; D005714:Gambia; D015796:HLA-B27 Antigen; D006801:Humans; D008297:Male; D012306:Risk; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D015796:HLA-B27 Antigen